81227772

素因数分解:

$2^2\times 3^4\times {\mathrm{250703}}^1$

素因数の和:250719

約数の個数: 30

約数和(自身を含む): 212346288

約数和(自身を除く): 131118516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 250703, 501406, 752109, 1002812, 1504218, 2256327, 3008436, 4512654, 6768981, 9025308, 13537962, 20306943, 27075924, 40613886, 81227772]

約数ペア:

[(1, 81227772), (2, 40613886), (3, 27075924), (4, 20306943), (6, 13537962), (9, 9025308), (12, 6768981), (18, 4512654), (27, 3008436), (36, 2256327), (54, 1504218), (81, 1002812), (108, 752109), (162, 501406), (324, 250703)]